/*
*    Qizx/open 3.0 beta
*
* This code is the open-source version of Qizx.
* Copyright (C) 2004-2009 Axyana Software -- All rights reserved.
*
* The contents of this file are subject to the Mozilla Public License 
*  Version 1.1 (the "License"); you may not use this file except in 
*  compliance with the License. You may obtain a copy of the License at
*  http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
*  WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
*  for the specific language governing rights and limitations under the
*  License.
*
* The Initial Developer of the Original Code is Xavier Franc - Axyana Software.
*
*/
using System;
using XQDate = System.Qizx.Api.Util.XQDate;
using DateTimeBase = System.Qizx.Api.Util.XQDateTimeBase;
using Time = System.Qizx.Api.Util.XQTime;
using XQItemType = System.Qizx.XQuery.XQItemType;
using XQType = System.Qizx.XQuery.XQType;
using XQValue = System.Qizx.XQuery.XQValue;
namespace System.Qizx.XQuery.Dt
{
	
	/// <summary> Implementation of a single item of type dateTime, date, time, gDay etc.</summary>
	public class SingleMoment:MomentValue
	{
		public override DateTimeBase Value
		{
			get
			{
				return value_Renamed;
			}
			
		}
		protected internal DateTimeBase value_Renamed;
		
		private bool started = false;
		
		public SingleMoment(DateTimeBase value_Renamed, XQItemType subType)
		{
			this.value_Renamed = value_Renamed;
			itemType = subType;
		}
		
		public override bool Next()
		{
			return started?false:(started = true);
		}
		
		public override XQValue BornAgain()
		{
			return new SingleMoment(value_Renamed, itemType);
		}
		
		public static SingleMoment dateTime(DateTimeBase moment)
		{
			return new SingleMoment(moment, XQType.DATE_TIME);
		}
		
		public static SingleMoment date(DateTimeBase moment)
		{
			XQDate.normalize(moment);
			return new SingleMoment(moment, XQType.DATE);
		}
		
		public static SingleMoment time(DateTimeBase moment)
		{
			Time.normalize(moment);
			return new SingleMoment(moment, XQType.TIME);
		}
	}
}